Power supply
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What is an electric battery and how does it work. Popular types of batteries: lead-acid, nickel-cadmium, nickel-metal hydride, lithium-ion. The main characteristics of batteries.
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What is a battery and their types. Finger and little finger batteries. Characteristics of AA and AAA batteries: size, weight, capacity, amperage,...
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Electrical protective equipment in electrical installations up to and above 1000 Volts, types and requirements for them. Basic and additional insulating protective equipment....
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How to save electricity in the apartment. Economical use of lighting in the house. Ways to save energy in the operation of household appliances. Installing a multi-tariff meter...
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Rules for extinguishing electrical equipment under voltage.Types of fire extinguishers for extinguishing, which are used in extinguishing electrical appliances. Basic rules for extinguishing electrical installations.
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What is the difference between a single-line power supply circuit and a basic one. Why do you need a one-line diagram. What you need to do before you start developing a document...
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The article is devoted to the issue of the danger of electromagnetic radiation and its effect on the human body. It will be useful to those who want to measure ...
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How to calculate electricity consumption in an apartment. Types of tariffs: with and without electric stoves, day-night tariff, in rural settlements. Ways...
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In what cases is it necessary to seal the electric meter, who can seal the electric meter, regulatory documents. Types and types of seals on the counter, cost. What...
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In what electrical installations are dielectric boots and galoshes used, how to use them. Types of dielectric boots and galoshes, technical parameters and dimensions....
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What is meant by the term phase-zero loop, for which the loop resistance is checked. Methods and methods for measuring the phase-zero loop, output from the result ...
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What is considered unauthorized connection to the power grid and ways to detect illegal connection. Penalty and criminal liability for illegal connection to the power grid....
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Preparation of documents and filing an application for technological connection to electric networks, conclusion of an agreement. How much does it cost to conduct electricity, the timing of connecting electricity ...
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What is ATS, its purpose, classification and principle of operation. Typical diagrams of ATS cabinets, for 2 inputs on contactors, on automatic machines ...
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Types of electric current sources: mechanical, thermal, light and chemical current sources. The difference between a real current source and an ideal one.